docs: more work

dask-contrib · Dec 18, 2024 · fd3239f · fd3239f
1 parent af3bc74
commit fd3239f
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/dask_awkward/lib/inspect.py b/src/dask_awkward/lib/inspect.py
@@ -121,6 +121,8 @@ def report_necessary_columns(
     r"""Get columns necessary to compute a collection
 
     This function is specific to sources that are columnar (e.g. Parquet).
+    It determines the names of IO-specific "columns" (e.g. TTree keys, 
+    or Parquet fields) that are required by the necessary-buffers optimization.
 
     Parameters
     ----------